Home / 26,542.68-39,814.20-12,649.56

Finding the Fourth Proportional to 26,542.68, 39,814.20 and 12,649.56

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Solution

The fourth proportional to 26,542.68, 39,814.20 and 12,649.56 is: 18,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.68 : 39,814.20 = 12,649.56 : x
  2. Step 2: Convert to fraction form
    26,542.68/39,814.20 = 12,649.56/x
  3. Step 3: Cross multiply
    26,542.68x = 39,814.20 × 12,649.56
  4. Step 4: Simplify right side
    26,542.68x = 503,632,111.75
  5. Step 5: Solve for x
    x = 503,632,111.75/26,542.68
  6. Step 6: Final answer
    x = 18,974.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.